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Waterford, Ireland climate
Cfb Oceanic / temperate
Waterford has a mildly seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 69°F, while the coldest is February averaging around 37°F at night. Precipitation is fairly even year-round, totalling about 41 inches. At latitude 52°N, day length swings from 7.5 hours in midwinter to 16.5 hours at midsummer.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsWaterford climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 48 | 49 | 52 | 56 | 61 | 66 | 69 | 68 | 65 | 59 | 53 | 49 |
| Avg temp (°F) | 43 | 43 | 46 | 49 | 54 | 58 | 62 | 61 | 58 | 53 | 47 | 44 |
| Avg low (°F) | 38 | 37 | 39 | 42 | 47 | 51 | 55 | 54 | 51 | 47 | 42 | 39 |
| Precipitation (in) | 4.1 | 2.8 | 3.1 | 3.0 | 2.7 | 2.5 | 2.8 | 3.1 | 3.2 | 4.7 | 4.4 | 4.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 48 | 49 | 52 | 56 | 61 | 66 |
| Avg temp (°F) | 43 | 43 | 46 | 49 | 54 | 58 |
| Avg low (°F) | 38 | 37 | 39 | 42 | 47 | 51 |
| Precipitation (in) | 4.1 | 2.8 | 3.1 | 3.0 | 2.7 | 2.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 69 | 68 | 65 | 59 | 53 | 49 |
| Avg temp (°F) | 62 | 61 | 58 | 53 | 47 | 44 |
| Avg low (°F) | 55 | 54 | 51 | 47 | 42 | 39 |
| Precipitation (in) | 2.8 | 3.1 | 3.2 | 4.7 | 4.4 | 4.4 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 20 | 16 | 17 | 15 | 15 | 13 | 14 | 15 | 14 | 17 | 19 | 19 |
| Days with low ≤ 32°F (days) | 6 | 6 | 3 | 1 | 0.0 | — | — | — | — | 0.2 | 2 | 4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 20 | 16 | 17 | 15 | 15 | 13 |
| Days with low ≤ 32°F (days) | 6 | 6 | 3 | 1 | 0.0 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 14 | 15 | 14 | 17 | 19 | 19 |
| Days with low ≤ 32°F (days) | — | — | — | 0.2 | 2 | 4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 77 | 77 | 75 | 75 | 76 | 76 | 75 | 74 | 75 | 74 | 74 |
| Clear days (≤ 30% cloud) | 0.8 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| Partly cloudy days (30–70%) | 10 | 8 | 8 | 8 | 8 | 7 | 8 | 10 | 10 | 10 | 10 | 10 |
| Cloudy days (≥ 70%) | 20 | 19 | 22 | 20 | 21 | 22 | 22 | 21 | 19 | 20 | 19 | 19 |
| Relative humidity (%) | 94 | 93 | 90 | 87 | 85 | 84 | 85 | 86 | 88 | 91 | 94 | 95 |
| Wind speed (mph) | 9.3 | 9.3 | 8.6 | 7.9 | 7.5 | 7.1 | 7.0 | 7.1 | 7.4 | 8.3 | 8.6 | 9.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 77 | 77 | 75 | 75 | 76 |
| Clear days (≤ 30% cloud) | 0.8 | 1 | 1 | 2 | 2 | 2 |
| Partly cloudy days (30–70%) | 10 | 8 | 8 | 8 | 8 | 7 |
| Cloudy days (≥ 70%) | 20 | 19 | 22 | 20 | 21 | 22 |
| Relative humidity (%) | 94 | 93 | 90 | 87 | 85 | 84 |
| Wind speed (mph) | 9.3 | 9.3 | 8.6 | 7.9 | 7.5 | 7.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 75 | 74 | 75 | 74 | 74 |
| Clear days (≤ 30% cloud) | 1 | 1 | 1 | 1 | 1 | 1 |
| Partly cloudy days (30–70%) | 8 | 10 | 10 | 10 | 10 | 10 |
| Cloudy days (≥ 70%) | 22 | 21 | 19 | 20 | 19 | 19 |
| Relative humidity (%) | 85 | 86 | 88 | 91 | 94 | 95 |
| Wind speed (mph) | 7.0 | 7.1 | 7.4 | 8.3 | 8.6 | 9.1 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 25 years of daily observations at Waterford (tycor), a weather station, about 1 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.